PPSC most repeated mcqs

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PPSC most repeated mcqs for Test Preparation. These PPSC most repeated mcqs are the most repeated MCQs and very important for all type of exams organized by FPSC, PPSC, NTS, SPSC, BPSC, NTS, PTS, OTS, UTS, CTS, ITS and other testing agencies of Pakistan. Most important FPSC MCQs, PPSC MCQs, KPSC MCQs, SPSC MCQs, BPSC MCQs, NTS MCQs, PTS MCQs, OTS MCQs, UTS MCQs, CTS MCQs, ITS MCQs and other MCQs for test preparation in Pakistan.

There is no change in energy level They become stationary There is an increase in energy They are gaining kinetic energy

(A) The reaction between iron and oxygen is endothermic.
(B) As compared to iron, aluminium has a greater affinity for oxygen
(C) As compared to aluminium, iron has a greater affinity for oxygen
(D) Refraction between aluminium and oxygen is endothermic
August 4, 2021